This project has three aims: (1) to compile and critically evaluate standardised earthworm field studies in order to optimise the current test design, (2) to perform a pilot earthworm field study following the improved test design, and (3) to prepare an OECD draft guidance document. After having discussed different design options within the OECD-GSIG expert […]
The German Soil Protection Ordinance defines precautionary values for seven metals/metalloids which, if exceeded, indicate that concern for a harmful soil change exists. All precautionary values given in the German Soil Protection Ordinance are based on total concentrations (aqua regia extraction). However, total metal/metalloid concentrations do not represent the actual exposure of soil organisms to […]
Soil is an essential component of terrestrial ecosystems and fulfils many important functions being the natural basis of life, habitat, an integral part of water and nutrient cycling, and having a filter function for the protection of groundwater. Earthworms contribute very effectively to the breakdown of organic matter in soil
The aim of the project was the validation of a bioaccumulation test with terrestrial organisms (soil dwelling oligochaetes) by an international ring test. The test method was developed taking into account existing methods (UBA-reports 206 03 909 (1997) and 298 64 416 (2001)). A test protocol was prepared and used to run the test. A […]
The aim of this project was the improvement of the preconditions for the protection of the habitat function of soil as described in § 2 of the German Federal Soil Protection Act (1998), in particular in two ways: first, suitable biological indicators (i.e. organism groups) for the assessment of soil quality had to be identified. […]
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